Aerial surveillance has captured Rebels members, who have moved their base to Ballina in northern NSW, riding in formation on the Pacific Motorway, crossing double lines and passing illegally - all without a NSW patrol car in sight

And in what Queensland police say is evidence of growing links between the gangs, the Rebels were tracked to the Tweed Heads base of the Odin's Warriors.

The January 4 meeting took place the same day members of the Odin's Warriors and the Mongols, now based at Chinderah, met at a border hotel.

The Rebels were met by a 40-strong group of Odin's members and associates.

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Top-ranking members of both clubs were quick to shake hands, which police say is a sign of growing links between the former rivals.

Police later estimated at least 60 gang members attended the meeting.

Queensland police have refused to comment, but sources say it is "business as usual" across the border.